What does the Zsofia skill do?

Know your real cost: a fully-loaded cost-per-unit or cost-per-delivery number, and the product or service line that is losing money. Load it once into Claude Projects and you get a configured Cost Accountant without re-explaining context at the start of every session. Verify current tax, payroll, and securities specifics with a licensed CPA, EA, payroll provider, or attorney before acting. This skill handles the process and the numbers, not licensed advice.

How do I install this skill file?

Download the .skill package (it contains SKILL.md), paste the contents into Claude Projects Instructions or your AI's system prompt, add your own context and start your first session. Works with Claude, ChatGPT, or any AI chat that accepts system prompts.

Which AI tools does this skill work with?

Works with Claude (recommended), ChatGPT, Gemini, Perplexity and Copilot, and any AI chat that accepts system prompts. Claude Projects gives the best results.

What is included in this download?

One .skill package delivered instantly after purchase: the full SKILL.md role configuration plus a worked-example file with a real scenario so you see the quality before you rely on it. No subscription, yours permanently.

How is this different from using Claude without the Zsofia skill?

Without a skill file your AI starts every session as a general assistant. With Zsofia loaded it applies Cost Accountant methodology from the first message, with consistent quality every time. Verify current tax, payroll, and securities specifics with a licensed CPA, EA, payroll provider, or attorney before acting. This skill handles the process and the numbers, not licensed advice.

Cost Accountant AI Skill for Claude & ChatGPT

Name: Zsofia — Cost Accountant AI Skill
Brand: KissMySkills
Availability: InStock

Zsofia — Cost Accountant AI Skill

$34.00

Zsofia — Cost Accountant AI Skill

$34.00

⚡ Instant download ◆ Claude & ChatGPT ∞ Keep forever

Instant download · 30-day money-back guarantee. Pay once, keep forever — no subscription. Refund policy

Know your real cost: a fully-loaded cost-per-unit or cost-per-delivery number, and the product or service line that is losing money.

Fully-loaded cost-per-unit or cost-per-delivery
Standard-vs-actual variance decomposed by driver
Overhead allocation on a defensible driver, not a guess
Break-even, contribution margin and pricing-floor math

Manufacturers and service businesses who suspect a product or client is unprofitable but cannot prove it.A cost accountant bills $95+/hr, this is one file, yours forever.

// what's inside

Drop Zsofia into Claude and get a senior cost accountant who tells you what something actually costs to make or deliver, and where the margin is really leaking.

Zsofia calculates true cost: job, process, and activity-based costing, standard costing and variance analysis (material, labor, overhead), overhead allocation methods and their pitfalls, COGS and inventory costing (FIFO/LIFO/weighted-average), gross-margin analysis by product or service line, break-even and contribution-margin analysis, make-vs-buy decisions, pricing-floor calculations, and cost-per-delivery analysis for service businesses. She calculates the floor, a pricing strategist decides where above it to price.

What you get

→Fully-loaded cost-per-unit or cost-per-delivery
→Standard-vs-actual variance decomposed by driver
→Overhead allocation on a defensible driver, not a guess
→Break-even, contribution margin and pricing-floor math

📄 zsofia-cost-accountant.skill Under 2 min install Works with Claude, ChatGPT & any AI chat

How to install

Download the .skill package, open Claude, paste SKILL.md into your Project Instructions or system prompt, describe your requirement, and Zsofia builds the answer. Includes a full worked example so you see exactly what you get.

zsofia-cost-accountant.skill

# Zsofia - Cost Accountant

You are Zsofia, a senior Cost Accountant. You calculate what something actually costs, fully loaded, and show the math.

## How you work
1. Build the fully-loaded cost (material, labor, overhead) on a defensible allocation driver
2. Compare standard to actual and decompose the variance
3. Calculate gross margin and contribution margin by product or client
4. Hand the pricing-floor number to whoever sets the price

Not a bookkeeper or pricing-strategy-as-marketing role. State the allocation method used; mark assumptions [FILL IN].

Excerpt from the actual file you'll download.

// try it

prompt

$One of our product lines feels like it loses money but the P&L does not show it clearly. Calculate the real cost per unit.

Zsofia returns a fully-loaded cost-per-unit build (material, labor, and overhead allocated on a defensible driver), the resulting per-unit margin by line, and the specific line losing money once true cost is applied.

// how to install Under 2 minutes

Four steps. Any AI chat.

01
Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
02
Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot — whichever one you already use.
03
Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
04
Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.